Overview: 1 questions will be solved this time.Among them
           ☆1 integer calculations

[1/1 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 1+2
    Solution:
    1+2 = 3
    Column vertical calculation:

			1
➕			2
			3

Your problem has not been solved here? Please take a look at the  hot problems ！